Multiple Choice
Suppose that an automobile manufacturer designed a radically new lightweight engine and wants
To recommend the grade of gasoline to use. The four grades are: below regular, regular, premium,
And super premium. The test car made three trial runs on the test track using each of the four
Grades. Assuming any grade can be used at the 0.05 level, what is the critical value of F using 0.05
Level of significance? 
A) 1.96
B) 4.07
C) 2.33
D) 12.00
Correct Answer:
Verified
Correct Answer:
Verified
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